Wrench.



No. 000,257. PATENTED JAN. 17,1005. s. 0. 00130100010'.

WRENCH.

APPLIOATION FILED MAY 14. 1004.

NTTE STATES Patented January 17, 1905.

PATENT OEEICE.

WFiENCl-i..

SPECIFICATION forming part of Letters Patent No. 780,257, dated January 17, 1905.

Application filed May lll, 1904. Serial No. 207,983.

To all when@ it may concern:

Be it known that I, SAMUEL C. ANDERSON, a citizen of the United States, residing at VVhitewright, in the county of Grayson and State of Texas, have invented a new and use- 't'ul Wrench, oi which the Yfollowing is a speci- :lication This invention relates to wrenches, and has for its object to provide an improved adjustable-jaw arrangement wherein the movable jaw may be conveniently adjusted wi th respect to the stationary jaw and be held rigidly at`- ter locked in an adjusted position, so as to `prevent the jaw from working loose during the manipulation of the Wrench.

In addition to the usual adjustment of the movable jaw toward and away from the fixed jaw in substantial parallelism therewith it is also designed to provide for a tilting adjustment of the jaw, so as to accommodate the wrench to pipes as well as for use upon nuts and the like.

Vith these and other objects in view the present invention consists in the combination and arrangement of parts, as will be hereinafter more fully described, shown in the accom panying drawings, and particularly point ed out in the appended claims, it being' understood that changes in the form, proportion, size, and minor details may be made within the scope of the claims without departing' from the spirit or sacrificingI any of the advantages ot' the invention.

In the drawings, Figure lis a perspective View of a Wrench embodying the features of the present invention. Fig. 2 is a fragmentary perspective view of the stationary jaw to show the casing which is carried thereby. Fig. 3 is a detail perspective view oi' the movable jaw.

Like characters of reference designate corresponding parts in each and every ligure of the drawings.

Referring to the accompanying' drawings, l designates the shank or stock of the present wrench, which terminates at one end in an oil'- set handle 2 and at its opposite end in a fixed jaw 3, disposed in longitudinal alinement with the shank and having a serrated inner face. At the inner end of the [iXed jaw there is a bracket 4f, rigidly carried by the shank and projected laterally at the inner 'tace of the jaw. This bracket is provided with a longitudinal slot 5, disposed in the plane oi the shank and intersecting the front and rear edges of the bracket. The opposite sides of the bracket are provided with openings (i, the front longitudinal edges oi' which are pro vided with a series of registering notches 7.

The movable jaw of the wrench comprises a shank 8, which is movably received within the slot of the bracket with its forward end portion 9 projected beyond the bracket and constituting the movable head of the jaw, which is serrated upon its inner edge reversely with respect to the sei-ration of thc fixed jaw, while the rear end of the shank terminates in a reduced stud or projection 10. At the base or inner end ot' the jaw 9 pivot pins or projections 1l extend laterally outward therefrom and work in the opening 6 for engagement with the seats formed by the notches 7 in the front walls o'lithe openings. These pivot-pins are preferably circular in cross-section, and the seats or notches 7 are rounded or concaved in order that the pivotpins may rock or rotate therein to permit oi" a tiltable adjustment of the movable jaw. will be understood that thc pins 11 are rigidly carried by the movable jaw and may be engaged with any of the notches or seats 7,

thereby to provide for the adjustment ol the movable jaw bodily toward and away from the fixed jaw.

To maintain the movable jaw in a rigid condition after being adjusted, there is a swing'- ing keeper l?. in the nature oi" a link having its inner end :forked or bifurcated, as at 13, so as to straddle the shank l, to which it is hinged upon pivot-pins 14, carried by the shank, whereby the keeper is capable of swinging movements toward and away trom the rear end ot' the movable jaw. A longitudinal series of openings l5 is formed in the keeper, so as to constitute a succession of sockets or seats for the individual reception o't' the stud or projection l0 at the rear end oi' the movable jaw.

In order that the swinging keeper may be held in rigid. engagement with the movable IOC.

jaw, I provide a spring-latch 16, having one end of its spring-shank secured to the outer end of the bracket 4t, with its rear free end provided with a head or shoulder 17 to engage the rear side of the free end of the keeper, and thereby detachably hold the latter against the jaw to maintain the latter in a rigid condition after being set to any adjusted position. It is preferred to bevel the free ends of the swinging keeper and the latchhead in order that these members may readily snap into mutual engagement when the keeper is forced forwardly into engagement with the stud of the movable jaw. The enlarged head or shoulder 17 of the latch forms a fingerpiece for convenience in releasing the latch from the keeper. When the keeper has been disengaged from the movable jaw, the latter may be moved rearwardly and shifted into engagement with any of the seats or notches in the front walls of the openings 6, so as to adjust the jaw with respect to the fixed jaw, and the movable jaw may also be tilted upon its pivot-pins 11 to set the movable jaw at an inclination to the fixed jaw, so as to accommodate the wrench to pipes, bars, and other substantially cylindrical objects.

From the foregoing description it is apparent that the movable jaw of the present wrench is capable of being quickly and conveniently adjusted, both bodily and tiltably, and is normally maintained in a rigid condition and held against working loose during the manipulation of the wrench. Moreover, the movable jaw may be readily released to permit of its adjustment, and the locking parts may be readily reassembled to lock the movable jaw.

Having thus described the construction and operation of my invention, whatr I claim as new, and desire to secure by Letters Patent,

1. A wrench comprising a stock having a fixed jaw, a normally fixed adjustable jaw capable of a bodily adjustment toward and away from the xed jaw and also capable of a tiltable adjustment, and means to lock the adjustable jaw against bodily and tiltable movements.

2. A wrench comprising a stock having a fixed jaw and a laterally-projected bracket, a jaw carried by the bracket and capable of adjustment bodily toward and away from the fixed jaw and also of being tiltably adjusted upon the bracket, and means to lock the adjustable jaw against bodily and tiltable movements.

3. A wrench comprising a stock having a fixed jaw and a lateral bracket, a series of bearing-seats carried by the bracket, a jaw having a fulcrum-pin capable of engagement with the individual members of the series of bearings to rotate therein, and means to lock the movable jaw against tiltable and bodily movements.

4. A wrench comprising a stock having a fixed jaw, a lateral bracket carried by the stock and provided with a longitudinal slot intersecting the front and rear edges of the bracket, the opposite sides of the bracket being provided with corresponding openings having registered notches formed in their front walls, a movable jawV having opposite pivot-pins movable in the opening for engagement with the respective bearing-notches, and means to lock the movable jaw.

5. A wrench comprising a stock having a fixed jaw and a lateral bracket, an adjustable jaw carried by the bracket, aswinging keeper carried by the stock for engagement with the movable jaw, and a latch carried by the bracket for engagement with the keeper.

6. A wrench comprising a stock having a fixed jaw, a lateral bracket carried by the stock and provided with a series of bearings, an adjustable jaw having a journal for rotatable engagement with the series of bearings, a swinging keeper carried by the stock and provided with a series of seats to receive one end of the movable jaw, and a latch carried by the bracket for engagement with the keeper.

In testimony that I claim the foregoing as my own I have hereto affixed my signature in the presence of two witnesses.

SAMUEL C. ANDERSON.

Witnesses:

GUY HAMILTON, W. O. VoNsAcK. 

